return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C2HF3 (Trifluoroethylene)

using model chemistry: MP2=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-375.590995
Energy at 298.15K-375.592848
Nuclear repulsion energy 
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2=FULL/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3321 3121 8.61      
2 A' 1875 1763 62.94      
3 A' 1425 1340 136.60      
4 A' 1326 1246 162.14      
5 A' 1220 1147 108.12      
6 A' 960 903 45.00      
7 A' 639 600 3.40      
8 A' 496 467 1.96      
9 A' 224 210 4.07      
10 A" 796 748 27.46      
11 A" 622 585 0.86      
12 A" 322 303 3.72      

Unscaled Zero Point Vibrational Energy (zpe) 6613.4 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 6215.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-31G(2df,p)
ABC
0.35862 0.12978 0.09530

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.434 0.000
C2 -0.687 -0.695 0.000
F3 1.301 0.519 0.000
F4 -0.575 1.609 0.000
F5 -0.073 -1.875 0.000
H6 -1.763 -0.709 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6
C11.32131.30431.30832.30942.1010
C21.32132.32982.30661.32991.0764
F31.30432.32982.16992.76023.3016
F41.30832.30662.16993.51952.6046
F52.30941.32992.76023.51952.0535
H62.10101.07643.30162.60462.0535

picture of Trifluoroethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F5 121.172 C1 C2 H6 122.060
C2 C1 F3 125.082 C2 C1 F4 122.607
F3 C1 F4 112.311 F5 C2 H6 116.768
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability